JPH09228759A - Door equipped with chute - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door which can be manufactured efficiently at low cost and has sufficient strength at a chute. SOLUTION: A core 14 is provided inside a frame, and a pair of jamb parts 16, a head part 17, and a sill part 18, made of metallic channels, are combined with one another inside a space 14c provided in the core 14. A chute frame 15 that uses the upper surface of the sill part 18 as a chute surface 19 is enclosed, and front 24 and rear 25 plates having respective mouths 26, 27 formed to correspond to openings in the front and back of the chute frame 15 are secured to the frame, the core 14, and the front and back of the chute frame 15 and are supported by the frame, the core 14, and the chute frame 15 from inside, the chute frame 15 forming a chute 28.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door with a slot.

[0002]

2. Description of the Related Art As a door provided at a doorway or a doorway of a house, there is a door with an input port for inserting postal matter and the like.

FIG. 4 is a cross-sectional view of a conventional door having an insertion opening near the insertion opening.
At a predetermined position of the above, through-holes 1a that are open to the front and back are provided, and an insertion port frame 7 is attached to the through-holes 1a to form an input port 2 for mail or the like.

In the door panel 1, a frame (not shown) corresponding to the outer shape of the door is supported by the left and right vertical frames to reinforce the insertion port portion (around the penetrating portion 1a) (a wooden frame). (Hereinafter referred to as a reinforcing frame) 3 is attached, a core material 4 made of a paper core is provided inside the frame, and the frame and the reinforcing frame 3 and the core material 4 are sandwiched between the front and back surfaces of the reinforcing frame 3. Front plate 5 and back plate 6 having openings 5a, 6a corresponding to the openings on the front and back surfaces
The front plate 5 and the back plate 6 are bonded and fixed to the front and back surfaces of the frame, the reinforcing frame 3, and the core member 4, respectively.

Further, the charging port frame 7 is made of a metal plate, and has a flat rectangular tube portion having a length penetrating the reinforcing frame 1.
The square tube portion is formed by bending one end of the square tube portion outward, and the bottom surface of the square tube portion is one end side from the other end of the charging port frame 7 (the flange portion is formed. The input chute surface 7a is inclined downward toward the side).

The square frame portion of the input frame 7 is inserted into the penetrating portion 1a of the door panel 1 from the rear surface of the door, the flange portion thereof is brought into contact with the outer surface of the rear plate 4, and a reinforcing frame is formed with wood screws. It is attached to the door panel 1 by being fixed to 1, and the input port frame 7 forms the input port 2 for mail or the like.

The door panel 1 has a loading port 2a on its front surface, and a loading port 8a having an opening / closing lid 8b is attached to the loading port 8a. An input container 9 is attached to the.

[0008]

However, in the above conventional door with a slot, the front panel 5 and the rear panel 6 are adhered to the front and back surfaces of the frame, the reinforcing frame 3 and the core member 4, and the door panel 1 is provided.
After assembling, the door panel 1 is manufactured in the process of attaching the inlet frame 7 to the through portion 1a of the door panel 1 to form the inlet 2. Therefore, the manufacturing efficiency of the door is low and therefore the manufacturing cost is high. I have

It is an object of the present invention to provide a door with an insertion opening which can be manufactured efficiently and at low cost, and has sufficient strength at the insertion opening.

[0010]

According to the door with a slot of the present invention, a core material having a space provided in a portion corresponding to a portion where the slot is provided is provided inside a frame corresponding to the outer shape of the door. In the space of the material, a pair of vertical frame parts made of metal channel material and an upper frame part and a lower frame part are combined and the upper surface of the lower frame part is changed from one side edge to the other side edge. It accommodates a charging port frame that is a charging material chute surface that inclines downward, and forms openings corresponding to the front and back openings of the charging port frame on the front surface and the back surface of the frame, the core material, and the charging port frame. By fixing the front plate and the back plate,
The front plate and the back plate are supported from the inside by the frame, the core material and the charging port frame, and the charging port is formed by the charging port frame.

According to the door with a slot of the present invention, the front panel and the back panel are fixed to the front and back surfaces of the frame, the core material and the slot of the slot to assemble the door panel, and at the same time, the slot is closed by the slot of the slot. The mouth is formed and the input port portion is reinforced by the input port frame.

Therefore, this door with a slot can be efficiently manufactured at low cost, and the pair of vertical frame members and the upper and lower frame members of the slot frame are made of metal channel material. Therefore, the strength of the input port portion reinforced by this input port frame is sufficient.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION In the door with a slot according to the present invention, the slot frame has a pair of vertical frame members, an upper frame member and a lower frame member, which project from one end of one frame member. It is desirable that the claw piece is inserted into a slit provided at the end portion of the other frame member and is bent and then joined together.

Further, in the door with an inlet according to the present invention, it is desirable that the peripheral edge of the mouth portion of the surface plate be folded over the inner peripheral surface of the inlet frame.

[0015]

1 to 3 show an embodiment of the present invention, in which FIG. 1 is a cross-sectional view of a door with an insertion opening near the insertion opening, and FIG.
FIG. 3 is an exploded perspective view of a door with an insertion opening, FIG. 3 is an exploded perspective view of an insertion opening frame, and a perspective view in an assembled state.

The door with an insertion opening of this embodiment is formed by forming an insertion opening 28 for mail or the like at a predetermined position of the door panel 10. The door panel 10 has a frame 11 corresponding to the outer shape of the door and a core. A material 14, a horizontally long slot 15 and a front plate 2 forming front and back surfaces of the door panel 10.
4 and a back plate 25.

The door panel 10 conforms to a fireproof door standard, and the frame 11 includes two vertical frames 11a and two horizontal frames 11b made of metal (for example, steel) channel material in a vertically long rectangular frame shape. It is configured in combination.

Vertical frames 11 on both sides of this frame 11
A lock housing box 12 is attached to the inside of the intermediate portion of the vertical frame 11a on the side where the lock is attached, and a door closer attachment member 13 is provided inside the corner of the upper end on the side where the hinge is attached. Installed. The lock housing box 12 and the door closer mounting member 13 are made of wood or the like that has been subjected to flame retardant treatment.

The core material 14 is made by cutting a flame-retardant paper core impregnated with a heat-resistant resin such as phenol resin according to the inner dimensions of the frame 11. Notch portions 14a and 14b corresponding to the lock accommodation box 12 and the door closer mounting member 13 are provided, and a portion corresponding to a portion where the above-mentioned inlet 20 is provided is cut into a horizontally long rectangular shape to form an inlet port frame accommodation space 14c. Is provided.

On the other hand, the inlet frame 15 is shown in FIG.
A pair of vertical frame member 16 and upper frame member 17 and lower frame member 18 made of metal (for example, steel) channel material as shown in FIG.
Are combined as shown in FIG. 3 (b).

Of these frame members 16, 17, and 18, in the vertical frame member 16 and the upper frame member 17, the web portions forming the wall surface and the upper surface of the charging port frame 15 and the flange portions on both sides thereof are perpendicular to each other. It consists of a grooved channel material that is a surface.

Further, the lower frame member 18 is such that the web portion constituting the bottom surface of the charging port frame 15 is inclined downward from one side edge (side surface edge of the charging port frame 15) toward the other side edge. It is formed of a deformed channel material which is an inclined surface, and the flange portions on both sides are surfaces parallel to the flange portions of the vertical frame member 16 and the upper frame member 17, and the web portion of the lower frame member 18, that is, the lower frame member 18 The inclined surface of the upper surface of the is the input chute surface 19.

The width of the lower frame member 18 (the dimension between the outer surfaces of the flange portions on both sides) is determined by the vertical frame member 16 and the upper frame member 1.
7 is the same width, and these frame members 16, 17,
The width of 18 is the same as the width of the frame 11 in the front and back directions. Further, the upper frame member coupling claw piece 20 is projectingly provided at the upper end of the web portion of each vertical frame member 16. The web 21 of the material 17, that is, both ends of the input chute surface 19 are provided with slits 21 into which the claw pieces 20 are fitted.

Also, the input chute surface 19 of the lower frame member 18
Vertical member connecting claw pieces 22 are projectingly provided at both ends of each vertical member 1.
A slit 23 into which the claw piece 22 is fitted is obliquely provided at the lower end side of the web portion of No. 6 at the same angle as the inclination angle of the input shoot surface 19.

In the inlet frame 15, the pair of vertical frame members 16, the upper frame member 17, and the lower frame member 18 are arranged as shown in FIG. 3A with their respective flange portions facing each other. , The claw piece 20 of each vertical frame 16 into the slit 2 of the upper frame member 17.
1 and bends the claw pieces 20 and 22 to the outer surface of the web portion of the upper frame member 17, and the claw pieces 2 of the lower frame member 18
2 is inserted into the slit 23 of each vertical frame 16, and the nail piece 2
By bending 2 onto the outer surface of the web portion of each vertical frame 16, the frame members 15, 16 and 17 are combined and assembled as shown in FIG. 3B.

The front surface plate 24 and the rear surface plate 25 forming the front and back surfaces of the door panel 10 are made of thin steel plates whose surfaces are coated. The front surface plate 24 and the rear surface plate 25 are respectively provided with the above-mentioned charging ports. Horizontally long mouth portions 26 and 27 corresponding to the opening portions on the front and back surfaces of the frame 15 are formed.

The mouth portion 26 of the surface plate 24 is provided in the charging port frame 1.
5 is formed to be slightly smaller than the opening area on the front surface side, and the opening 27 of the back plate 25 is formed to be slightly larger than the opening area on the back surface side of the charging port frame 15.

The door with an insertion opening of this embodiment is manufactured as follows. First, the charging port frame 15 is attached to the inner surface of the surface plate 24. The insertion port frame 15 is attached by disposing the insertion port frame 15 on the inner surface of the surface plate 24 with its opening corresponding to the opening 26 of the surface plate 24.
The flange portions on the front surface side of the frame members 16, 17, and 18 of FIG. 5 are fixed to the surface plate 24 by spot welding, and then the peripheral edge of the mouth portion 26 of the surface plate 24 is inserted into the charging port frame as shown in FIG. Fold it over the inner surface of 15.

The peripheral edge of the mouth portion 26 of the surface plate 24 is preferably bent in advance to the inner surface side of the front surface plate 24. By doing so, the bent edge of the mouth portion 26 is formed. The insertion port frame 15 can be easily positioned by fitting it into the opening of the insertion port frame 15, and
The peripheral edge of the mouth portion 26 can be easily folded over the inner peripheral surface of the charging port frame 15.

Next, an epoxy adhesive is applied to the entire inner surface of the surface plate 24, and the surface plate 24
The frame 11 is superposed on the outer circumference of the inner surface of the core 11, the core material 14 is arranged inside the frame 11, and the core 14 is placed in the frame opening space 14c of the core 14 and is attached to the inner surface of the face plate 24. The frame 15 is accommodated.

After this, a back plate 25 whose entire inner surface is coated with an epoxy adhesive is superposed on the frame 11 and the core material 14 and the charging port frame 15, and pressure is applied from the outer surface of the back plate 25. The front panel 24 and the rear panel 25 are bonded and fixed to the front and back surfaces of the frame 11, the core material 14, and the charging port frame 15 with the adhesive to assemble the door panel 10.

When the door panel 10 is assembled in this manner, the front surface plate 24 and the rear surface plate 25 are supported from the inside by the frame 11, the core material 14, and the input port frame 15, and the input port frame 15 prevents the mails and the like from being sent. Input port 28
The door with the insertion port that formed the is completed.

The input port panel 30 and the input container box 31 shown in FIG. 1 are attached to the door panel 10 after the door with the input port is installed at the doorway or the entrance of the house. The input panel 30 has an input port 30a, and the opening 30a is provided with an opening / closing lid 30b that rotates inward when the input is inserted and returns to the original hanging state by its own weight. And this input panel 30
Is provided on the surface of the door panel 10 so as to cover the insertion port 28 portion, and is screwed to the door panel 10 at its four corners or both ends.

Further, the input receiving box 31 has an input receiving port 31a and an opening / closing lid 31b for taking out the input. The receiving box 31 is provided on the back surface of the door panel 10 with the receiving port 31a. Is opposed to the inlet 28 of the door panel 10 and is screwed.

In the above embodiment, when assembling the door panel 10, first, the insertion port frame 15 is provided on the inner surface of the front plate 24.
The charging port frame 15 is supported in the charging port frame accommodation space 14c of the core material 14, and the front plate 2
When bonding 4 and the back plate to the front and back surfaces of the frame 11 and the core material 14, the front and back surfaces of the charging port frame 15 may be bonded and fixed to the front plate 24 and the back plate.

That is, in the door with the inlet, the core material 14 is provided inside the frame 11 corresponding to the outer shape of the door, in which the inlet frame housing space 14c is provided at the portion corresponding to the location where the inlet 28 is provided. The space 14 of the core material 14
In c, a pair of vertical frame parts 1 made of metal channel material
6, the upper frame portion 17 and the lower frame portion 18 are combined, and the upper surface of the lower frame portion 18 is used as an input material chute surface 19 which inclines downward from one side edge to the other side edge. The frame 15 is accommodated, and the frame 11 and the core material 14 are accommodated.
Also, by fixing the front surface plate 24 and the rear surface plate 25, which have the openings 26 and 27 corresponding to the front and rear openings of the input port frame 15, to the front and back surfaces of the input port frame 15, the front surface plate 24 is fixed. The back plate 25 is supported from the inside by the frame 11, the core material 14, and the input port frame 15, and the input port 28 is formed by the input port frame 15.

According to this door with a slot, the frame 1
1 and the surface material 2 on the front and back surfaces of the core material 14 and the charging port frame 15.
4 and the back plate 25 are fixed and the door panel 10 is assembled, at the same time, an input port 28 is formed by the input port frame 15, and the input port portion is the input port frame 15
Since it is reinforced with, it can be manufactured efficiently and at low cost, and the pair of vertical frame members 16, upper frame member 17, and lower frame member 18 of the charging port frame 15 are made of metal channel materials. Therefore, the strength of the charging port 28 portion reinforced by the charging port frame 15 is also sufficient.

In addition, in the above door with a slot, the pair of vertical frame members 16 and upper frame members 17 are provided in the slot frame 15.
The lower frame member 18 and the lower frame member 18 are connected to each other by inserting the claw pieces 20 and 22 projecting from the end of one frame member into the slits 21 and 23 provided at the end of the other frame member and bending them. Since it is configured, the input port frame 15 can be easily assembled.

Further, in the door with the above-mentioned inlet,
Since the peripheral edge of the mouth portion 26 of the surface plate 24 is folded on the inner peripheral surface of the charging port frame 15, the portion between the outer surface of the surface slope 24 and the inner peripheral surface of the charging port 28 is smoothly continuous. It can be an edge part.

Although the door with a charging port of the above embodiment is of a type in which the charging container box 31 is attached to the back surface of the door panel 10, the present invention does not use the charging container, that is, the charging port. It can also be applied to a door with an input port of the type in which the input from 28 is dropped on the floor in the room.

Further, in the above embodiment, the pair of vertical frame members 16, the upper frame member 17, and the lower frame member 18 which constitute the charging port frame 15.
Are connected by inserting the claw pieces 20 and 22 projecting from the end of one frame member into the slits 21 and 23 provided at the end of the other frame member and bending them. 1
The ends of 6, 17, and 18 may be welded or bolted to each other to be connected.

Further, the periphery of the mouth portion 26 of the surface plate 24 is
It is not always necessary to fold it on the inner peripheral surface of the charging port frame 15, and in that case, the mouth portion 26 of the surface plate 24 should be folded over.
It may be formed to be slightly larger than the opening area on the surface side of No. 5.

[0043]

According to the door with an insertion opening of the present invention, the front panel and the back plate are fixed to the front and back surfaces of the frame, the core material and the insertion opening frame to assemble the door panel, and at the same time, the insertion opening frame is used. Since the charging port is formed and the charging port portion is reinforced by the charging port frame, it can be efficiently manufactured at low cost, and the pair of vertical frame member and upper frame member of the charging port frame can be manufactured. Also, since the lower frame member is made of a metal channel material, the strength of the charging port portion reinforced by this charging port frame is sufficient.

In addition, in the door with a slot according to the present invention, the pair of vertical frame members, the upper frame member and the lower frame member of the aforementioned slot frame are provided at the end portions of one frame member so as to project. By inserting the pieces into the slits provided at the ends of the other frame member and bending and connecting the pieces, the insertion port frame can be easily assembled.

Further, in the door with an inlet according to the present invention, if the peripheral edge of the opening portion of the surface plate is folded on the inner peripheral surface of the inlet frame, the outer surface of the surface slope and the inner peripheral surface of the inlet are formed. The portion between can be a smoothly continuous edge portion.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of the vicinity of an insertion opening of a door with an insertion opening according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of a door with a slot.

FIG. 3 is an exploded perspective view of an insertion port frame and a perspective view of an assembled state.

FIG. 4 is a cross-sectional view of a conventional door with an insertion opening near the insertion opening.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Door panel 11 ... Frame 14 ... Core material 14c ... Input port frame accommodation space 15 ... Input port frame 16 ... Vertical frame material 17 ... Upper frame material 18 ... Lower frame material 19 ... Input chute surface 20, 22 ... Claw piece 21 , 23 ... Slit 24 ... Front plate 25 ... Back plate 26, 27 ... Mouth 28 ... Input port 30 ... Input port panel 31 ... Input receiving box

Claims (3)

[Claims] 1. A door having an inlet for mail, etc., wherein a core material is provided inside a frame corresponding to the outer shape of the door, and a space is provided at a portion corresponding to a portion where the inlet is provided. In the space of the core material, a pair of vertical frame members made of metal channel material and an upper frame member and a lower frame member are combined and the upper surface of the lower frame member is changed from one side edge to the other side edge. It accommodates a charging port frame that is a charging material chute surface that slopes downwards toward the front and back surfaces of the frame, the core material, and the charging port frame, and a corresponding opening portion on the front and back surfaces of the charging port frame. The front plate and the back plate formed are fixed, and the front plate and the back plate are supported from the inside by the frame and the core material and the charging port frame, and the charging port is formed by the charging port frame. A door with a characteristic opening. 2. A slit in which a pair of vertical frame members and upper frame members and lower frame members of the inlet port frame are provided with claw pieces projecting from the end portions of one frame member at the end portions of the other frame member, respectively. The door with an insertion opening according to claim 1, wherein the door with the insertion opening is coupled by being inserted into the housing and bent. 3. The door with an insertion opening according to claim 1, wherein the peripheral edge of the mouth portion of the surface plate is folded over the inner peripheral surface of the insertion opening frame.